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Curcumin vs resveratrol for cognition—which wins? Compare mechanisms, memory data, and bioavailability to find the right polyphenol for your brain health
Ginkgo vs vinpocetine—which cerebral blood flow nootropic actually works? We break down the evidence, safety concerns, and what the research really shows.
Comparing acetyl-l-carnitine vs l-carnitine? Only ALCAR crosses the blood-brain barrier. Learn which form supports cognition and which is best for energy.
Huperzine A blocks acetylcholine breakdown while choline supplies the raw material. Learn which approach fits your cognitive goals and why cycling matters.
Citicoline and acetyl-L-carnitine both raise acetylcholine but work differently. Learn which supplement fits your brain health goals.
L-tyrosine vs mucuna pruriens (L-DOPA): how each raises dopamine, the doses used in human trials, side effects and which to choose.
NALT dissolves better, but does it deliver more tyrosine to your brain? Compare bioavailability, absorption, and real-world cognitive benefits of NALT vs
Panax ginseng stimulates, American ginseng calms—but why? Learn how ginsenosides Rg1 and Rb1 explain their opposite effects before you buy.
The 2023 taurine and aging study made big claims. Here's what the animal data actually showed, why human evidence is thin, and what a 2025 paper changed.
Discover how the VITACOG trial linked homocysteine and brain shrinkage—and how B vitamins slowed cognitive decline in older adults with mild memory
The COSMOS trial tested cocoa extract in 21,000+ adults for 3.6 years. The headline results are misleading—here's what the data actually showed.
The Kuhman 2015 theacrine cognitive performance study showed mood boosts but no measurable brain performance gains. Here's what the data actually says.
A 2017 PK study found caffeine boosts theacrine absorption significantly. Learn what the theacrine caffeine interaction study means for your supplement
A 4-week methylliberine safety study tracked 125 adults on Dynamine. Here's what the data show about heart health, blood markers, and effective doses.
Discover how the landmark l-theanine alpha waves study proves this amino acid boosts relaxed focus—not sedation—via measurable EEG brain activity.
A 2025 EEG trial found l-theanine caffeine cut reaction time by 38ms in sleep-deprived adults. See what the brain data reveals about this popular stack.
What did the 2010 Giesbrecht trials actually find about l-theanine caffeine task switching? One clear win, two flat lines—here's what the data really
Does piracetam work? The Cochrane review says the evidence is too weak to recommend it. See what the research actually shows about this original nootropic.
Discover who invented nootropics: Romanian chemist Corneliu Giurgea coined the term in 1972 alongside piracetam and a strict 5-part definition still used
The SmartAge trial tested spermidine for memory in older adults. The results surprised researchers. Here's what the data actually shows about spermidine
Discover the science behind the uridine DHA choline stack from MIT labs. Learn how these three nutrients build synaptic membranes and what research really
Does reishi for sleep really work? We break down the animal studies, limited human trials, and what the evidence actually says before you buy.
The most cited lion's mane study tested just 30 older adults. Learn what the Mori 2009 trial actually proved—and where the evidence stops.
A spice vs Prozac—real clinical trials compared saffron vs fluoxetine for depression. See what the data actually shows and where the limits are.